Here are some of the top spa and wellness resorts in Sri Lanka, selected for strong spa programs, wellness/ayurvedic expertise, setting, and guest/press recognition. I’ve included where they are best for (beach, hill country, cultural triangle) and a brief highlight for each.

• Santani Wellness Resort (Kandy / hill country) — A dedicated wellness retreat focused on Ayurveda, hydrotherapy, tailored programs (detox, sleep, stress) and minimalist villas set on a former tea estate; frequently highlighted in global wellness lists and spa awards. (santani.com)

• Anantara Peace Haven Tangalle (Tangalle / south coast) — Full-service Anantara spa offering Ayurvedic therapies, multi-day wellness packages, yoga pavilion and oceanfront relaxation; strong reviews for personalized Ayurvedic treatments. (Anantara.com)

• Cape Weligama (Weligama / south coast) — Luxury cliff-top resort with the Sanctuary Spa that uses local ingredients (Ceylon tea, spices) and offers private in-villa rituals and tea‑inspired treatments plus yoga and wellness programs. (resplendentceylon.com)

• Amanwella (Tangalle / south coast) — Aman property known for serene design and high-quality massages/relaxation treatments; ideal for travelers who want understated luxury, privacy and restorative spa treatments. (booking.com)

• Uga Ulagalla (Cultural Triangle / near Anuradhapura) — Boutique villa resort with a rustic, nature‑set spa offering Ayurvedic and signature therapies, yoga and relaxation — good for combining cultural touring (Sigiriya/Anuradhapura) with spa downtime. (ugaescapes.com)

• The Fortress Resort & Spa (Koggala / south coast) — Well‑regarded boutique resort with an award-winning spa offering Ayurvedic treatments, aromatherapy and a variety of Eastern wellness therapies in a contemporary coastal setting. (en.wikipedia.org)

• Cinnamon Bentota Beach (Bentota / west‑south coast) — Large resort with a well-reviewed in‑house spa (Spa Ceylon / Kurundu wellness) offering ayurvedic massages, scrubs and wellness packages — a good option for beachside spa breaks with strong value and facilities. (tripadvisor.com)

• Cape/Resplendent properties and selected Uga / Uga Escapes group hotels — (e.g., other Uga properties, Resplendent Ceylon collection) — several boutique Sri Lankan brands pair authentic Ayurvedic consultations with luxury accommodation and bespoke spa rituals; worth checking depending on the region you plan to visit. (resplendentceylon.com)

Quick planning tips

• Best regions by interest: hill country (Santani) for intensive wellness/Ayurveda and cooler climate; south coast (Anantara, Amanwella, Cape Weligama, Fortress, Bentota) for ocean-view spa and combined beach activities; Cultural Triangle (Ulagalla) for combining heritage sightseeing with spa recovery.
• If you want traditional Ayurvedic consultations and multi‑day programs, prioritize resorts that list resident Ayurvedic doctors (Santani, Anantara, many boutique ayurvedic partners). (wellnessspafinder.com)
• Book treatments in advance (popular resorts fill spa slots quickly), and mention any medical conditions or pregnancy so the spa can tailor treatments safely.
• Check current rates, seasonal offers and reviews for specific treatments before booking — spa menus, resident therapists and packages can change year to year.

If you want, I can:

• Narrow this to the best options for a specific region (e.g., Galle / south coast vs. Kandy),
• Compare 2–3 resorts side‑by‑side (spa menu, price range, property vibe), or
• Pull the latest spa packages and availability for a specific travel date. Which would you prefer?